Table 1.

Summary of the subthreshold properties of mouse motoneurons compared to cats

MiceCats
Peak input resistance (MΩ)3.7 ± 1.7 (1.3–7.2)***1.4 ± 0.6 (0.5–2.6)a
n = 37n = 45
Plateau input resistance (MΩ)3.1 ± 1.6 (0.9–6.4)***1.1 ± 0.5 (0.4–2.5)a
n = 37n = 45
Sag ratio1.2 ± 0.1 (1.0–1.7)1.4 ± 0.2 (1.0–1.9)a
n = 37n = 45
Membrane time constant2.5 ± 1.0 (0.5–4.0)***7.0 ± 1.5 (3.9–14.3)b
n = 35n = 84
Electrotonic length1.4 ± 0.2 (0.9–1.8)1.53 ± 0.29 (1.1–2.5)c
n = 33n = 25
Cell capacitance (nF)1.2 ± 0.6 (0.2–2.4)***9.6 ± 3.9 (5.5–14.9)d
n = 33n = 95
Resonance quality1.2 ± 0.2 (1.04–1.64)1.3 ± 0.2 (1.1–1.7)a
n = 23n = 39
Resonance frequency (Hz)17 ± 6 (7–30)***11 ± 3 (6–20)a
n = 23n = 39